__________twice a year, whether it is a car or bus or a truck, is the rule that every driver must obey in this city.
| A．Examining | B．Examined | C．Being examined | D．Having been examined |
27. They’re arguing on who, on earth, is known for the great discovery ______ penicillin, an effective bacteria killer.
| A．making up | B．making into | C．made of | D．made from |
26. －Do you know what Miss Black does for a living?
－I have no idea at all, I think she could be _______ but a singer.
| A．anything | B．anybody | C．nothing | D．Everybody |
25. These two countries are similar ______ they both have a high snowfall during winter.
| A．to which | B．in which | C．in that | D．except that |
24. No matter what the newspaper articles say, the newly-made temple doesn't ______ a place of interest.
| A．head for | B．make for | C．offer to | D．run out |
23. So quickly ____________ is a possibility today may be a reality tomorrow.
| A．are science and teachnology advancing that |
| B．science and technology advancing are that |
| C．are science and technology advancing that what |
| D．science and technology advancing what that |